My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Gibson Exhaust 18815 Cat-Back Single Exhaust System Aluminized

(2004-2024 Toyota 4Runner)

Manufacturer

Part Number

18815
Sale Price

$661.26

In Stock (7)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Gibson Exhaust 18815 Cat-Back Single Exhaust System delivers significant performance gains with a bolt-on design that requires no welding. This aluminized steel system is engineered to maximize low-end torque and horsepower, making it ideal for towing, hauling, and aggressive driving applications.

Performance Benefits:

  • Dyno-tested gains of 10-15 horsepower and 15-20 lb-ft of torque
  • Maximum power delivery in the critical 1800-3000 RPM range
  • Improved acceleration, hill climbing, towing, and passing performance
  • Single side exit design routing exhaust behind the rear tire
  • Reduced interior drone for quieter in-cab experience

System Components:

  • Baffled and chambered muffler design with no internal packing for long-lasting performance
  • 6-inch round muffler body, 24 inches long
  • 2.50-inch offset inlet and outlet connections
  • 4-inch polished T304 stainless steel rolled slash-cut tip
  • 12-inch clamp-on exhaust tip with 2.50-inch inlet
  • Aggressive exhaust note with minimal interior drone

Constructed from durable aluminized steel tubing for corrosion resistance and longevity. Complete hardware included for hassle-free installation with professional-grade results. Backed by Gibson's Lifetime Limited Warranty.

Products specifications

Fits

2004-2024 Toyota 4Runner

Tubing Diameter

2.50-in. Aluminized mandrel bent tubing.

Muffler Dimension

6 in. Round; 2.50 in. Offset Inlet; 2.50 in. Offset Outlet; L-24 in.

Muffler Description

Baffled and Chambered Muffler Design, No internal Packing, Minimal Interior Drone, Aggressive Sound

Material

Aluminized

Tip Specifications

Inlet 2.50 in.; Outlet 4.0 in.; L-12 in.

Exit Position

Exit Is Straight Out The Back.

Prop 65

Yes

Tip Description

4in. Polished T304 Stainless Rolled Slash-Cut Tip. Clamp on.

Outlet

Single

Category

Truck and SUV

Tip Logo

None

Tubing Diameter

2.500 in.

Muffler Body Length

24.000 in.

Exit Position

Straight Out Back

Inlet Inside Diameter

2.500 in.

Tail Pipe Diameter

2.500 in.

Exit Style

Straight

Outlet Outside Diameter

2.500 in.

System Type

Cat Back

Tip Diameter

4.000 in.

Exhaust Type

Cat-Back

Muffler Type

Chambered

Easy to do.

Great Experience and Awesome website. Affordable price as well

you have great prices but you don't give any details about the item nor do you give a real picture of it. your description of the items when you click on it doesn't match what you are looking for

not yet!

not much selection, but great interface

Where is A detailed listing of what I'm getting ?

thanks

Easy straightforward site setup.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy